Eight boys and girls compete for a spot on the space voyage that will search for a source to solve Earth's energy crisis.

Meat-eating and vegetarian dinosaurs compete in surfing, skateboarding, and snowboarding events.

The overweight and unathletic son of a famous former football star discovers that his equally fat and lazy dog is unexpectedly--and obsessively--interested in competing in dog agility contests.

With the Valle Grande Skate Spectacular competition coming up, Catalina is hoping her sister Coco will win and she can have her old board, but Coco has lost her skateboarding mojo so Catalina considers entering the competition herself.

"Amy hurt her knee in a race. Now she's back on the team, but will have to get her confidence back in order to compete"--Unedited summary from book.

When the rivalry between the Whipples and the Goldwins escalates to an all-out war as the World Record World Championships draw near, recordless Arthur Whipple and his unlikely ally Ruby Goldwin unravel the mystery of the Lyon's Curse and the secrets of their fathers' shared past.

Meg goes to Maker School to hone her talent for building with boxes -- but when Simone, another boxitect, arrives -- they become so competitive they nearly fail in the annual Maker Match.

A friendly neighborhood business competition between sixth-graders Rachel Chambers, so quiet she is practically invisible, and Peter S. Gronkowski, future mogul, turns into a ruthless rivalry.

"It only takes one day at their new school for Parker and Sven to become mortal enemies. Parker's had a terrible summer and just wants to be invisible, while Sven is desperate to make an impression and be known as anything other than 'that boy with epilepsy.' When Parker discovers her beloved dog Alaska--who she had to give away last year--now belongs to Sven, she's determined to steal her back. Of course, that's easier said than done"--Provided by...

A shark and a train compete in a series of contests on a seesaw, in hot air balloons, bowling, shooting baskets, playing hide-and-seek, and more.